<template>
  <div>
    App: {{money}}
    <hr/>
    <!-- //!#1 父亲通过自定义属性传递数据 -->
    <Child :money="money"/>
  </div>
</template>

<script>
import { ref } from 'vue';
import Child from './Child.vue'

export default {
  name: 'App',
  components: {
    Child
  },
  setup() {
    const money = ref(100)
    return {money}
  }
}
</script>

